Hydrogen Atom, Spin Angular Momentum, Total Angular Momentum
References
Biedenharn, L. C. and Louck, J. D. Angular Momentum in Quantum Physics: Theory and Application. Reading, MA: Addison-Wesley, 1981.
Biedenharn, L. C. and Van Dam, H. (Eds.). Quantum Theory of Angular Momentum: A Collection of Reprints and Original Papers. New York: Academic Press, 1965.
Brink, D. M. and Satchler, G. R. Angular Momentum, 3rd ed. 1994.
Edmonds, A. R. Angular Momentum in Quantum Mechanics, 2nd ed., rev. printing. Princeton, NJ: Princeton University Press, 1968.
Feenberg, E. and Pake, G. E. Notes on the Quantum Theory of Angular Momentum. Stanford, CA: Stanford University Press, 1959.
Rose, M. E. Elementary Theory of Angular Momentum. New York: Dover, 1995.
Schwinger, J. S. On Angular Momentum. White Plains, N. Y.: Nuclear Development Associates, 1952.
Varshalovich, D. A.; Moskalev, A. N.; and Khersonskii, V. K. "Orbital Angular Momentum Operator." §2.2 in Quantum Theory of Angular Momentum. Singapore: World Scientific, pp. 39-42, 1988.
